23151026 has 4 divisors (see below), whose sum is σ = 34726542. Its totient is φ = 11575512.

The previous prime is 23150999. The next prime is 23151031. The reversal of 23151026 is 62015132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23088025 + 63001 = 4805^2 + 251^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23150989 and 23151007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5787755 + ... + 5787758.

Almost surely, 2^23151026 is an apocalyptic number.

23151026 is a deficient number, since it is larger than the sum of its proper divisors (11575516).

23151026 is a wasteful number, since it uses less digits than its factorization.

23151026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11575515.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 23151026 is about 4811.5513090894. The cubic root of 23151026 is about 285.0078011612.

Adding to 23151026 its reverse (62015132), we get a palindrome (85166158).

The spelling of 23151026 in words is "twenty-three million, one hundred fifty-one thousand, twenty-six".