354423117457 has 4 divisors (see below), whose sum is σ = 369832818240. Its totient is φ = 339013416676.

The previous prime is 354423117449. The next prime is 354423117463. The reversal of 354423117457 is 754711324453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 754711324453 = 9719 ⋅77653187.

It is a cyclic number.

It is not a de Polignac number, because 354423117457 - 2³ = 354423117449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354423117427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7704850357 + ... + 7704850402.

It is an arithmetic number, because the mean of its divisors is an integer number (92458204560).

Almost surely, 2^354423117457 is an apocalyptic number.

It is an amenable number.

354423117457 is a deficient number, since it is larger than the sum of its proper divisors (15409700783).

354423117457 is a wasteful number, since it uses less digits than its factorization.

354423117457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15409700782.

The product of its digits is 1411200, while the sum is 46.

The spelling of 354423117457 in words is "three hundred fifty-four billion, four hundred twenty-three million, one hundred seventeen thousand, four hundred fifty-seven".