1440041123 has 2 divisors, whose sum is σ = 1440041124. Its totient is φ = 1440041122.

The previous prime is 1440041089. The next prime is 1440041137. The reversal of 1440041123 is 3211400441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1440041123 - 2⁸ = 1440040867 is a prime.

It is a super-2 number, since 2×1440041123² = 4147436871862202258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1440041095 and 1440041104.

It is not a weakly prime, because it can be changed into another prime (1440041723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720020561 + 720020562.

It is an arithmetic number, because the mean of its divisors is an integer number (720020562).

Almost surely, 2^1440041123 is an apocalyptic number.

1440041123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440041123 is an equidigital number, since it uses as much as digits as its factorization.

1440041123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1440041123 is about 37947.8737612531. The cubic root of 1440041123 is about 1129.2539840617.

Adding to 1440041123 its reverse (3211400441), we get a palindrome (4651441564).

It can be divided in two parts, 14400411 and 23, that multiplied together give a triangular number (331209453 = T₂₅₇₃₇).

The spelling of 1440041123 in words is "one billion, four hundred forty million, forty-one thousand, one hundred twenty-three".