354978737023 has 2 divisors, whose sum is σ = 354978737024. Its totient is φ = 354978737022.

The previous prime is 354978737021. The next prime is 354978737033. The reversal of 354978737023 is 320737879453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354978737023 - 2¹ = 354978737021 is a prime.

Together with 354978737021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354978737021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177489368511 + 177489368512.

It is an arithmetic number, because the mean of its divisors is an integer number (177489368512).

Almost surely, 2^354978737023 is an apocalyptic number.

354978737023 is a deficient number, since it is larger than the sum of its proper divisors (1).

354978737023 is an equidigital number, since it uses as much as digits as its factorization.

354978737023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26671680, while the sum is 58.

The spelling of 354978737023 in words is "three hundred fifty-four billion, nine hundred seventy-eight million, seven hundred thirty-seven thousand, twenty-three".