354423117427 has 2 divisors, whose sum is σ = 354423117428. Its totient is φ = 354423117426.

The previous prime is 354423117421. The next prime is 354423117437. The reversal of 354423117427 is 724711324453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354423117427 - 2³¹ = 352275633779 is a prime.

It is a super-2 number, since 2×354423117427² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (354423117421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177211558713 + 177211558714.

It is an arithmetic number, because the mean of its divisors is an integer number (177211558714).

Almost surely, 2^354423117427 is an apocalyptic number.

354423117427 is a deficient number, since it is larger than the sum of its proper divisors (1).

354423117427 is an equidigital number, since it uses as much as digits as its factorization.

354423117427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 43.

The spelling of 354423117427 in words is "three hundred fifty-four billion, four hundred twenty-three million, one hundred seventeen thousand, four hundred twenty-seven".