400110123 has 16 divisors (see below), whose sum is σ = 613347840. Its totient is φ = 227263296.

The previous prime is 400110089. The next prime is 400110133. The reversal of 400110123 is 321011004.

It is a happy number.

It is not a de Polignac number, because 400110123 - 2⁸ = 400109867 is a prime.

It is a super-2 number, since 2×400110123² = 320176221054150258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400110099 and 400110108.

It is not an unprimeable number, because it can be changed into a prime (400110133) 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, 53538 + ... + 60551.

It is an arithmetic number, because the mean of its divisors is an integer number (38334240).

Almost surely, 2^400110123 is an apocalyptic number.

400110123 is a deficient number, since it is larger than the sum of its proper divisors (213237717).

400110123 is a wasteful number, since it uses less digits than its factorization.

400110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114266.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 400110123 is about 20002.7528855405. The cubic root of 400110123 is about 736.8739096241.

Adding to 400110123 its reverse (321011004), we get a palindrome (721121127).

The spelling of 400110123 in words is "four hundred million, one hundred ten thousand, one hundred twenty-three".