23013121302 has 16 divisors (see below), whose sum is σ = 51140269680. Its totient is φ = 7671040416.

The previous prime is 23013121291. The next prime is 23013121331. The reversal of 23013121302 is 20312131032.

23013121302 is a `hidden beast` number, since 230 + 13 + 121 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 213084403 + ... + 213084510.

It is an arithmetic number, because the mean of its divisors is an integer number (3196266855).

Almost surely, 2^23013121302 is an apocalyptic number.

23013121302 is an abundant number, since it is smaller than the sum of its proper divisors (28127148378).

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

23013121302 is a wasteful number, since it uses less digits than its factorization.

23013121302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426168924 (or 426168918 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23013121302 its reverse (20312131032), we get a palindrome (43325252334).

The spelling of 23013121302 in words is "twenty-three billion, thirteen million, one hundred twenty-one thousand, three hundred two".