23542513212929 has 2 divisors, whose sum is σ = 23542513212930. Its totient is φ = 23542513212928.

The previous prime is 23542513212917. The next prime is 23542513212937. The reversal of 23542513212929 is 92921231524532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23208113550400 + 334399662529 = 4817480^2 + 578273^2 .

It is a cyclic number.

It is not a de Polignac number, because 23542513212929 - 2¹² = 23542513208833 is a prime.

It is not a weakly prime, because it can be changed into another prime (23542513712929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11771256606464 + 11771256606465.

It is an arithmetic number, because the mean of its divisors is an integer number (11771256606465).

Almost surely, 2^{23542513212929} is an apocalyptic number.

It is an amenable number.

23542513212929 is a deficient number, since it is larger than the sum of its proper divisors (1).

23542513212929 is an equidigital number, since it uses as much as digits as its factorization.

23542513212929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 50.

The spelling of 23542513212929 in words is "twenty-three trillion, five hundred forty-two billion, five hundred thirteen million, two hundred twelve thousand, nine hundred twenty-nine".