881456251507423 has 2 divisors, whose sum is σ = 881456251507424. Its totient is φ = 881456251507422.

The previous prime is 881456251507361. The next prime is 881456251507459. The reversal of 881456251507423 is 324705152654188.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881456251507423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881456251502423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440728125753711 + 440728125753712.

It is an arithmetic number, because the mean of its divisors is an integer number (440728125753712).

Almost surely, 2^{881456251507423} is an apocalyptic number.

881456251507423 is a deficient number, since it is larger than the sum of its proper divisors (1).

881456251507423 is an equidigital number, since it uses as much as digits as its factorization.

881456251507423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512000, while the sum is 61.

The spelling of 881456251507423 in words is "eight hundred eighty-one trillion, four hundred fifty-six billion, two hundred fifty-one million, five hundred seven thousand, four hundred twenty-three".