230120040 has 32 divisors (see below), whose sum is σ = 690360480. Its totient is φ = 61365312.

The previous prime is 230120029. The next prime is 230120071. The reversal of 230120040 is 40021032.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 230119998 and 230120025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958714 + ... + 958953.

It is an arithmetic number, because the mean of its divisors is an integer number (21573765).

Almost surely, 2^230120040 is an apocalyptic number.

230120040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230120040 is an abundant number, since it is smaller than the sum of its proper divisors (460240440).

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

230120040 is a wasteful number, since it uses less digits than its factorization.

230120040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917681 (or 1917677 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 230120040 is about 15169.7079734582. The cubic root of 230120040 is about 612.7991397321.

Adding to 230120040 its reverse (40021032), we get a palindrome (270141072).

The spelling of 230120040 in words is "two hundred thirty million, one hundred twenty thousand, forty".