102023430 has 64 divisors (see below), whose sum is σ = 254119680. Its totient is φ = 26193024.

The previous prime is 102023401. The next prime is 102023437. The reversal of 102023430 is 34320201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118341 + ... + 119199.

It is an arithmetic number, because the mean of its divisors is an integer number (3970620).

Almost surely, 2^102023430 is an apocalyptic number.

102023430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102023430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127059840).

102023430 is an abundant number, since it is smaller than the sum of its proper divisors (152096250).

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

102023430 is a wasteful number, since it uses less digits than its factorization.

102023430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 102023430 is about 10100.6648296040. The cubic root of 102023430 is about 467.2686454764.

Adding to 102023430 its reverse (34320201), we get a palindrome (136343631).

The spelling of 102023430 in words is "one hundred two million, twenty-three thousand, four hundred thirty".