23434137277 has 2 divisors, whose sum is σ = 23434137278. Its totient is φ = 23434137276.

The previous prime is 23434137247. The next prime is 23434137313. The reversal of 23434137277 is 77273143432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23256555001 + 177582276 = 152501^2 + 13326^2 .

It is a cyclic number.

It is not a de Polignac number, because 23434137277 - 2⁷ = 23434137149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23434137227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11717068638 + 11717068639.

It is an arithmetic number, because the mean of its divisors is an integer number (11717068639).

Almost surely, 2^23434137277 is an apocalyptic number.

It is an amenable number.

23434137277 is a deficient number, since it is larger than the sum of its proper divisors (1).

23434137277 is an equidigital number, since it uses as much as digits as its factorization.

23434137277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 43.

The spelling of 23434137277 in words is "twenty-three billion, four hundred thirty-four million, one hundred thirty-seven thousand, two hundred seventy-seven".