230102640 has 160 divisors (see below), whose sum is σ = 797448960. Its totient is φ = 60984576.

The previous prime is 230102623. The next prime is 230102657. The reversal of 230102640 is 46201032.

It is a happy number.

230102640 is a `hidden beast` number, since 23 + 0 + 1 + 0 + 2 + 640 = 666.

It is an interprime number because it is at equal distance from previous prime (230102623) and next prime (230102657).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662947 + ... + 663293.

It is an arithmetic number, because the mean of its divisors is an integer number (4984056).

Almost surely, 2^230102640 is an apocalyptic number.

230102640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230102640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398724480).

230102640 is an abundant number, since it is smaller than the sum of its proper divisors (567346320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230102640 is a wasteful number, since it uses less digits than its factorization.

230102640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 230102640 is about 15169.1344512467. The cubic root of 230102640 is about 612.7836942081.

Adding to 230102640 its reverse (46201032), we get a palindrome (276303672).

The spelling of 230102640 in words is "two hundred thirty million, one hundred two thousand, six hundred forty".