23461040 has 20 divisors (see below), whose sum is σ = 54547104. Its totient is φ = 9384384.

The previous prime is 23461019. The next prime is 23461043. The reversal of 23461040 is 4016432.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (23461043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146552 + ... + 146711.

Almost surely, 2^23461040 is an apocalyptic number.

23461040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23461040 is an abundant number, since it is smaller than the sum of its proper divisors (31086064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23461040 is a wasteful number, since it uses less digits than its factorization.

23461040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293276 (or 293270 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 23461040 is about 4843.6597733532. The cubic root of 23461040 is about 286.2743386182.

Adding to 23461040 its reverse (4016432), we get a palindrome (27477472).

The spelling of 23461040 in words is "twenty-three million, four hundred sixty-one thousand, forty".