143123561133040 has 80 divisors (see below), whose sum is σ = 340001272329408. Its totient is φ = 56010126368768.

The previous prime is 143123561133037. The next prime is 143123561133043. The reversal of 143123561133040 is 40331165321341.

It is an interprime number because it is at equal distance from previous prime (143123561133037) and next prime (143123561133043).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143123561133043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46315684 + ... + 49309123.

Almost surely, 2^{143123561133040} is an apocalyptic number.

143123561133040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143123561133040 is an abundant number, since it is smaller than the sum of its proper divisors (196877711196368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143123561133040 is a wasteful number, since it uses less digits than its factorization.

143123561133040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95625226 (or 95625220 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 143123561133040 in words is "one hundred forty-three trillion, one hundred twenty-three billion, five hundred sixty-one million, one hundred thirty-three thousand, forty".