11210400123 has 16 divisors (see below), whose sum is σ = 16796855040. Its totient is φ = 6598763424.

The previous prime is 11210400073. The next prime is 11210400127. The reversal of 11210400123 is 32100401211.

It is not a de Polignac number, because 11210400123 - 2¹⁴ = 11210383739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11210400127) 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, 6247933 + ... + 6249726.

It is an arithmetic number, because the mean of its divisors is an integer number (1049803440).

Almost surely, 2^11210400123 is an apocalyptic number.

11210400123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11210400123 is a deficient number, since it is larger than the sum of its proper divisors (5586454917).

11210400123 is a wasteful number, since it uses less digits than its factorization.

11210400123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12497698.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11210400123 its reverse (32100401211), we get a palindrome (43310801334).

The spelling of 11210400123 in words is "eleven billion, two hundred ten million, four hundred thousand, one hundred twenty-three".