23001431202 has 12 divisors (see below), whose sum is σ = 49836434310. Its totient is φ = 7667143728.

The previous prime is 23001431147. The next prime is 23001431213. The reversal of 23001431202 is 20213410032.

23001431202 is a `hidden beast` number, since 2 + 30 + 0 + 1 + 431 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21076942041 + 1924489161 = 145179^2 + 43869^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1277857289 = 23001431202 / (2 + 3 + 0 + 0 + 1 + 4 + 3 + 1 + 2 + 0 + 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, 638928627 + ... + 638928662.

Almost surely, 2^23001431202 is an apocalyptic number.

23001431202 is an abundant number, since it is smaller than the sum of its proper divisors (26835003108).

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

23001431202 is a wasteful number, since it uses less digits than its factorization.

23001431202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277857297 (or 1277857294 counting only the distinct ones).

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

Adding to 23001431202 its reverse (20213410032), we get a palindrome (43214841234).

The spelling of 23001431202 in words is "twenty-three billion, one million, four hundred thirty-one thousand, two hundred two".