23043478 has 8 divisors (see below), whose sum is σ = 35680320. Its totient is φ = 11150040.

The previous prime is 23043443. The next prime is 23043479. The reversal of 23043478 is 87434032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23043479) 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, 185773 + ... + 185896.

It is an arithmetic number, because the mean of its divisors is an integer number (4460040).

Almost surely, 2^23043478 is an apocalyptic number.

23043478 is a deficient number, since it is larger than the sum of its proper divisors (12636842).

23043478 is a wasteful number, since it uses less digits than its factorization.

23043478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371702.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 23043478 is about 4800.3622779953. The cubic root of 23043478 is about 284.5657817811.

The spelling of 23043478 in words is "twenty-three million, forty-three thousand, four hundred seventy-eight".