23021703 has 6 divisors (see below), whose sum is σ = 33253584. Its totient is φ = 15347796.

The previous prime is 23021701. The next prime is 23021717. The reversal of 23021703 is 30712032.

It is not a de Polignac number, because 23021703 - 2¹ = 23021701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1278975 + ... + 1278992.

It is an arithmetic number, because the mean of its divisors is an integer number (5542264).

Almost surely, 2^23021703 is an apocalyptic number.

23021703 is a deficient number, since it is larger than the sum of its proper divisors (10231881).

23021703 is a wasteful number, since it uses less digits than its factorization.

23021703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557973 (or 2557970 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 23021703 is about 4798.0936839541. The cubic root of 23021703 is about 284.4761197850.

Adding to 23021703 its reverse (30712032), we get a palindrome (53733735).

It can be divided in two parts, 2302 and 1703, that added together give a triangular number (4005 = T₈₉).

The spelling of 23021703 in words is "twenty-three million, twenty-one thousand, seven hundred three".