400741523 has 8 divisors (see below), whose sum is σ = 493220448. Its totient is φ = 317070144.

The previous prime is 400741519. The next prime is 400741543. The reversal of 400741523 is 325147004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400741523 - 2² = 400741519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400741492 and 400741501.

It is not an unprimeable number, because it can be changed into a prime (400741543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201786 + ... + 2201967.

It is an arithmetic number, because the mean of its divisors is an integer number (61652556).

Almost surely, 2^400741523 is an apocalyptic number.

400741523 is a deficient number, since it is larger than the sum of its proper divisors (92478925).

400741523 is a wasteful number, since it uses less digits than its factorization.

400741523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4403773.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 400741523 is about 20018.5294914487. The cubic root of 400741523 is about 737.2613176867.

Adding to 400741523 its reverse (325147004), we get a palindrome (725888527).

The spelling of 400741523 in words is "four hundred million, seven hundred forty-one thousand, five hundred twenty-three".