23276649 has 12 divisors (see below), whose sum is σ = 34113968. Its totient is φ = 14106840.

The previous prime is 23276641. The next prime is 23276651. The reversal of 23276649 is 94667232.

23276649 = T₃₁₂ + T₃₁₃ + ... + T₅₅₃.

It is not a de Polignac number, because 23276649 - 2³ = 23276641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23276641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31699 + ... + 32424.

Almost surely, 2^23276649 is an apocalyptic number.

It is an amenable number.

23276649 is a deficient number, since it is larger than the sum of its proper divisors (10837319).

23276649 is a wasteful number, since it uses less digits than its factorization.

23276649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64148 (or 64137 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 23276649 is about 4824.5879616813. The cubic root of 23276649 is about 285.5223783555.

It can be divided in two parts, 23 and 276649, that added together give a palindrome (276672).

The spelling of 23276649 in words is "twenty-three million, two hundred seventy-six thousand, six hundred forty-nine".