401113123 has 32 divisors (see below), whose sum is σ = 470937600. Its totient is φ = 339292800.

The previous prime is 401113103. The next prime is 401113157. The reversal of 401113123 is 321311104.

It is a cyclic number.

It is not a de Polignac number, because 401113123 - 2⁵ = 401113091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401113097 and 401113106.

It is not an unprimeable number, because it can be changed into a prime (401113103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392353 + ... + 393373.

It is an arithmetic number, because the mean of its divisors is an integer number (14716800).

Almost surely, 2^401113123 is an apocalyptic number.

401113123 is a deficient number, since it is larger than the sum of its proper divisors (69824477).

401113123 is a wasteful number, since it uses less digits than its factorization.

401113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 401113123 is about 20027.8087418469. The cubic root of 401113123 is about 737.4891300897.

Adding to 401113123 its reverse (321311104), we get a palindrome (722424227).

It can be divided in two parts, 40111 and 3123, that added together give a palindrome (43234).

The spelling of 401113123 in words is "four hundred one million, one hundred thirteen thousand, one hundred twenty-three".