232138101402 has 12 divisors (see below), whose sum is σ = 502965886410. Its totient is φ = 77379367128.

The previous prime is 232138101383. The next prime is 232138101421. The reversal of 232138101402 is 204101831232.

232138101402 is a `hidden beast` number, since 23 + 2 + 138 + 101 + 402 = 666.

It is an interprime number because it is at equal distance from previous prime (232138101383) and next prime (232138101421).

It can be written as a sum of positive squares in only one way, i.e., 223434890721 + 8703210681 = 472689^2 + 93291^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6448280577 + ... + 6448280612.

Almost surely, 2^232138101402 is an apocalyptic number.

232138101402 is an abundant number, since it is smaller than the sum of its proper divisors (270827785008).

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

232138101402 is a wasteful number, since it uses less digits than its factorization.

232138101402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12896561197 (or 12896561194 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 232138101402 its reverse (204101831232), we get a palindrome (436239932634).

The spelling of 232138101402 in words is "two hundred thirty-two billion, one hundred thirty-eight million, one hundred one thousand, four hundred two".