23151206 has 16 divisors (see below), whose sum is σ = 37621584. Its totient is φ = 10621344.

The previous prime is 23151197. The next prime is 23151239. The reversal of 23151206 is 60215132.

It is a congruent number.

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, 1925 + ... + 7071.

It is an arithmetic number, because the mean of its divisors is an integer number (2351349).

Almost surely, 2^23151206 is an apocalyptic number.

23151206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23151206 is a deficient number, since it is larger than the sum of its proper divisors (14470378).

23151206 is a wasteful number, since it uses less digits than its factorization.

23151206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5335.

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

The square root of 23151206 is about 4811.5700140391. The cubic root of 23151206 is about 285.0085398077.

Adding to 23151206 its reverse (60215132), we get a palindrome (83366338).

The spelling of 23151206 in words is "twenty-three million, one hundred fifty-one thousand, two hundred six".