102123030232 has 32 divisors (see below), whose sum is σ = 201582720000. Its totient is φ = 48368281248.

The previous prime is 102123030223. The next prime is 102123030239. The reversal of 102123030232 is 232030321201.

It is a super-2 number, since 2×102123030232² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123030239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405369 + ... + 1476247.

It is an arithmetic number, because the mean of its divisors is an integer number (6299460000).

Almost surely, 2^102123030232 is an apocalyptic number.

It is an amenable number.

102123030232 is a deficient number, since it is larger than the sum of its proper divisors (99459689768).

102123030232 is a wasteful number, since it uses less digits than its factorization.

102123030232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80383 (or 80379 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 102123030232 its reverse (232030321201), we get a palindrome (334153351433).

The spelling of 102123030232 in words is "one hundred two billion, one hundred twenty-three million, thirty thousand, two hundred thirty-two".