20153024123 has 2 divisors, whose sum is σ = 20153024124. Its totient is φ = 20153024122.

The previous prime is 20153024113. The next prime is 20153024197. The reversal of 20153024123 is 32142035102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20153024123 - 2²² = 20148829819 is a prime.

It is a super-2 number, since 2×20153024123² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20153024113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076512061 + 10076512062.

It is an arithmetic number, because the mean of its divisors is an integer number (10076512062).

Almost surely, 2^20153024123 is an apocalyptic number.

20153024123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20153024123 is an equidigital number, since it uses as much as digits as its factorization.

20153024123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20153024123 its reverse (32142035102), we get a palindrome (52295059225).

The spelling of 20153024123 in words is "twenty billion, one hundred fifty-three million, twenty-four thousand, one hundred twenty-three".