345324403553 has 16 divisors (see below), whose sum is σ = 368339993280. Its totient is φ = 322609996800.

The previous prime is 345324403547. The next prime is 345324403579. The reversal of 345324403553 is 355304423543.

It is a cyclic number.

It is not a de Polignac number, because 345324403553 - 2¹⁰ = 345324402529 is a prime.

It is a super-6 number, since 6×345324403553⁶ (a number of 71 digits) contains 666666 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345324403553.

It is not an unprimeable number, because it can be changed into a prime (345324603553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15799913 + ... + 15821753.

It is an arithmetic number, because the mean of its divisors is an integer number (23021249580).

Almost surely, 2^345324403553 is an apocalyptic number.

It is an amenable number.

345324403553 is a deficient number, since it is larger than the sum of its proper divisors (23015589727).

345324403553 is a wasteful number, since it uses less digits than its factorization.

345324403553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28688.

The product of its (nonzero) digits is 1296000, while the sum is 41.

The spelling of 345324403553 in words is "three hundred forty-five billion, three hundred twenty-four million, four hundred three thousand, five hundred fifty-three".