20233013123 has 2 divisors, whose sum is σ = 20233013124. Its totient is φ = 20233013122.

The previous prime is 20233013117. The next prime is 20233013137. The reversal of 20233013123 is 32131033202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20233013123 - 2⁸ = 20233012867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20233013095 and 20233013104.

It is not a weakly prime, because it can be changed into another prime (20233013173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116506561 + 10116506562.

It is an arithmetic number, because the mean of its divisors is an integer number (10116506562).

Almost surely, 2^20233013123 is an apocalyptic number.

20233013123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233013123 is an equidigital number, since it uses as much as digits as its factorization.

20233013123 is an evil number, because the sum of its binary digits is even.

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

Adding to 20233013123 its reverse (32131033202), we get a palindrome (52364046325).

The spelling of 20233013123 in words is "twenty billion, two hundred thirty-three million, thirteen thousand, one hundred twenty-three".