354016523430023 has 4 divisors (see below), whose sum is σ = 354017067794280. Its totient is φ = 354015979065768.

The previous prime is 354016523429993. The next prime is 354016523430041. The reversal of 354016523430023 is 320034325610453.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354016523430023 is a prime.

It is a super-2 number, since 2×354016523430023² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354016523430043) 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, 271205465 + ... + 272507682.

It is an arithmetic number, because the mean of its divisors is an integer number (88504266948570).

Almost surely, 2^{354016523430023} is an apocalyptic number.

354016523430023 is a deficient number, since it is larger than the sum of its proper divisors (544364257).

354016523430023 is an equidigital number, since it uses as much as digits as its factorization.

354016523430023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544364256.

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 354016523430023 in words is "three hundred fifty-four trillion, sixteen billion, five hundred twenty-three million, four hundred thirty thousand, twenty-three".