4345402015123 has 16 divisors (see below), whose sum is σ = 5046107220000. Its totient is φ = 3707344062720.

The previous prime is 4345402015117. The next prime is 4345402015187. The reversal of 4345402015123 is 3215102045434.

It is not a de Polignac number, because 4345402015123 - 2²⁹ = 4344865144211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4345402015103) 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, 214535248 + ... + 214555501.

It is an arithmetic number, because the mean of its divisors is an integer number (315381701250).

Almost surely, 2^{4345402015123} is an apocalyptic number.

4345402015123 is a deficient number, since it is larger than the sum of its proper divisors (700705204877).

4345402015123 is a wasteful number, since it uses less digits than its factorization.

4345402015123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429090822.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 4345402015123 in words is "four trillion, three hundred forty-five billion, four hundred two million, fifteen thousand, one hundred twenty-three".