23033011403 has 4 divisors (see below), whose sum is σ = 23179718640. Its totient is φ = 22886304168.

The previous prime is 23033011399. The next prime is 23033011429. The reversal of 23033011403 is 30411033032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23033011403 - 2² = 23033011399 is a prime.

It is a super-2 number, since 2×23033011403² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23033011483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73353383 + ... + 73353696.

It is an arithmetic number, because the mean of its divisors is an integer number (5794929660).

Almost surely, 2^23033011403 is an apocalyptic number.

23033011403 is a deficient number, since it is larger than the sum of its proper divisors (146707237).

23033011403 is a wasteful number, since it uses less digits than its factorization.

23033011403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146707236.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23033011403 its reverse (30411033032), we get a palindrome (53444044435).

The spelling of 23033011403 in words is "twenty-three billion, thirty-three million, eleven thousand, four hundred three".