23213030742 has 48 divisors (see below), whose sum is σ = 54921801168. Its totient is φ = 7027247040.

The previous prime is 23213030723. The next prime is 23213030777. The reversal of 23213030742 is 24703031232.

23213030742 is a `hidden beast` number, since 2 + 321 + 30 + 307 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142708 + ... + 258440.

It is an arithmetic number, because the mean of its divisors is an integer number (1144204191).

Almost surely, 2^23213030742 is an apocalyptic number.

23213030742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23213030742 is an abundant number, since it is smaller than the sum of its proper divisors (31708770426).

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

23213030742 is a wasteful number, since it uses less digits than its factorization.

23213030742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116765 (or 116762 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

Adding to 23213030742 its reverse (24703031232), we get a palindrome (47916061974).

The spelling of 23213030742 in words is "twenty-three billion, two hundred thirteen million, thirty thousand, seven hundred forty-two".