23780029 has 16 divisors (see below), whose sum is σ = 30280320. Its totient is φ = 18164160.

The previous prime is 23780021. The next prime is 23780063. The reversal of 23780029 is 92008732.

It is not a de Polignac number, because 23780029 - 2³ = 23780021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23780021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1867 + ... + 7144.

It is an arithmetic number, because the mean of its divisors is an integer number (1892520).

Almost surely, 2^23780029 is an apocalyptic number.

23780029 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

23780029 is a deficient number, since it is larger than the sum of its proper divisors (6500291).

23780029 is a wasteful number, since it uses less digits than its factorization.

23780029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9060.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 23780029 is about 4876.4771095536. The cubic root of 23780029 is about 287.5659493320.

The spelling of 23780029 in words is "twenty-three million, seven hundred eighty thousand, twenty-nine".