1623853940154 has 16 divisors (see below), whose sum is σ = 3253058312448. Its totient is φ = 540392908032.

The previous prime is 1623853940143. The next prime is 1623853940161. The reversal of 1623853940154 is 4510493583261.

It is a super-2 number, since 2×1623853940154² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1623853940097 and 1623853940106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222930727 + ... + 222938010.

It is an arithmetic number, because the mean of its divisors is an integer number (203316144528).

Almost surely, 2^{1623853940154} is an apocalyptic number.

1623853940154 is an abundant number, since it is smaller than the sum of its proper divisors (1629204372294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1623853940154 is a wasteful number, since it uses less digits than its factorization.

1623853940154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445869349.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 1623853940154 in words is "one trillion, six hundred twenty-three billion, eight hundred fifty-three million, nine hundred forty thousand, one hundred fifty-four".