143537131023 has 32 divisors (see below), whose sum is σ = 232094349312. Its totient is φ = 77710147200.

The previous prime is 143537131019. The next prime is 143537131051. The reversal of 143537131023 is 320131735341.

It is a happy number.

It is not a de Polignac number, because 143537131023 - 2² = 143537131019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143537131063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5383240 + ... + 5409837.

It is an arithmetic number, because the mean of its divisors is an integer number (7252948416).

Almost surely, 2^143537131023 is an apocalyptic number.

143537131023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

143537131023 is a deficient number, since it is larger than the sum of its proper divisors (88557218289).

143537131023 is a wasteful number, since it uses less digits than its factorization.

143537131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10793135.

The product of its (nonzero) digits is 22680, while the sum is 33.

Adding to 143537131023 its reverse (320131735341), we get a palindrome (463668866364).

The spelling of 143537131023 in words is "one hundred forty-three billion, five hundred thirty-seven million, one hundred thirty-one thousand, twenty-three".