23162403 has 16 divisors (see below), whose sum is σ = 35156736. Its totient is φ = 13427040.

The previous prime is 23162393. The next prime is 23162411. The reversal of 23162403 is 30426132.

It is a happy number.

It is not a de Polignac number, because 23162403 - 2⁹ = 23161891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23162403.

It is not an unprimeable number, because it can be changed into a prime (23162443) 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, 14500 + ... + 16017.

It is an arithmetic number, because the mean of its divisors is an integer number (2197296).

Almost surely, 2^23162403 is an apocalyptic number.

23162403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23162403 is a deficient number, since it is larger than the sum of its proper divisors (11994333).

23162403 is a wasteful number, since it uses less digits than its factorization.

23162403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30554.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23162403 is about 4812.7334229105. The cubic root of 23162403 is about 285.0544801975.

Adding to 23162403 its reverse (30426132), we get a palindrome (53588535).

The spelling of 23162403 in words is "twenty-three million, one hundred sixty-two thousand, four hundred three".