23123021003 has 2 divisors, whose sum is σ = 23123021004. Its totient is φ = 23123021002.

The previous prime is 23123020933. The next prime is 23123021029. The reversal of 23123021003 is 30012032132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23123021003 - 2¹⁸ = 23122758859 is a prime.

It is not a weakly prime, because it can be changed into another prime (23123321003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561510501 + 11561510502.

It is an arithmetic number, because the mean of its divisors is an integer number (11561510502).

Almost surely, 2^23123021003 is an apocalyptic number.

23123021003 is a deficient number, since it is larger than the sum of its proper divisors (1).

23123021003 is an equidigital number, since it uses as much as digits as its factorization.

23123021003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23123021003 its reverse (30012032132), we get a palindrome (53135053135).

The spelling of 23123021003 in words is "twenty-three billion, one hundred twenty-three million, twenty-one thousand, three".