23120403 has 8 divisors (see below), whose sum is σ = 31332816. Its totient is φ = 15160800.

The previous prime is 23120401. The next prime is 23120423. The reversal of 23120403 is 30402132.

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

It is not a de Polignac number, because 23120403 - 2¹ = 23120401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23120401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62988 + ... + 63353.

It is an arithmetic number, because the mean of its divisors is an integer number (3916602).

Almost surely, 2^23120403 is an apocalyptic number.

23120403 is a deficient number, since it is larger than the sum of its proper divisors (8212413).

23120403 is a wasteful number, since it uses less digits than its factorization.

23120403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126405.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 23120403 is about 4808.3680183613. The cubic root of 23120403 is about 284.8820811038.

Adding to 23120403 its reverse (30402132), we get a palindrome (53522535).

The spelling of 23120403 in words is "twenty-three million, one hundred twenty thousand, four hundred three".