23135426 has 16 divisors (see below), whose sum is σ = 36624960. Its totient is φ = 10930320.

The previous prime is 23135389. The next prime is 23135443. The reversal of 23135426 is 62453132.

It is a junction number, because it is equal to n+sod(n) for n = 23135395 and 23135404.

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, 24116 + ... + 25056.

It is an arithmetic number, because the mean of its divisors is an integer number (2289060).

Almost surely, 2^23135426 is an apocalyptic number.

23135426 is a deficient number, since it is larger than the sum of its proper divisors (13489534).

23135426 is a wasteful number, since it uses less digits than its factorization.

23135426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609.

The product of its digits is 4320, while the sum is 26.

The square root of 23135426 is about 4809.9299371197. The cubic root of 23135426 is about 284.9437705833.

Adding to 23135426 its reverse (62453132), we get a palindrome (85588558).

The spelling of 23135426 in words is "twenty-three million, one hundred thirty-five thousand, four hundred twenty-six".