1523040101123 has 2 divisors, whose sum is σ = 1523040101124. Its totient is φ = 1523040101122.

The previous prime is 1523040101119. The next prime is 1523040101161. The reversal of 1523040101123 is 3211010403251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1523040101123 - 2² = 1523040101119 is a prime.

It is a super-2 number, since 2×1523040101123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1523040101173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761520050561 + 761520050562.

It is an arithmetic number, because the mean of its divisors is an integer number (761520050562).

Almost surely, 2^{1523040101123} is an apocalyptic number.

1523040101123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523040101123 is an equidigital number, since it uses as much as digits as its factorization.

1523040101123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 1523040101123 its reverse (3211010403251), we get a palindrome (4734050504374).

The spelling of 1523040101123 in words is "one trillion, five hundred twenty-three billion, forty million, one hundred one thousand, one hundred twenty-three".