2123146264544 has 48 divisors (see below), whose sum is σ = 4224111307920. Its totient is φ = 1050369945600.

The previous prime is 2123146264523. The next prime is 2123146264571. The reversal of 2123146264544 is 4454626413212.

It is a junction number, because it is equal to n+sod(n) for n = 2123146264495 and 2123146264504.

It is a congruent number.

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, 4706672 + ... + 5138000.

It is an arithmetic number, because the mean of its divisors is an integer number (88002318915).

Almost surely, 2^{2123146264544} is an apocalyptic number.

It is an amenable number.

2123146264544 is a deficient number, since it is larger than the sum of its proper divisors (2100965043376).

2123146264544 is a wasteful number, since it uses less digits than its factorization.

2123146264544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432963 (or 432955 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 44.

The spelling of 2123146264544 in words is "two trillion, one hundred twenty-three billion, one hundred forty-six million, two hundred sixty-four thousand, five hundred forty-four".