155441420535423 has 32 divisors (see below), whose sum is σ = 226849147200000. Its totient is φ = 93893433292800.

The previous prime is 155441420535371. The next prime is 155441420535553. The reversal of 155441420535423 is 324535024144551.

It is a happy number.

It is not a de Polignac number, because 155441420535423 - 2¹³ = 155441420527231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155441420530423) 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, 90790203 + ... + 92486451.

It is an arithmetic number, because the mean of its divisors is an integer number (7089035850000).

Almost surely, 2^{155441420535423} is an apocalyptic number.

155441420535423 is a deficient number, since it is larger than the sum of its proper divisors (71407726664577).

155441420535423 is a wasteful number, since it uses less digits than its factorization.

155441420535423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705503.

The product of its (nonzero) digits is 5760000, while the sum is 48.

Adding to 155441420535423 its reverse (324535024144551), we get a palindrome (479976444679974).

The spelling of 155441420535423 in words is "one hundred fifty-five trillion, four hundred forty-one billion, four hundred twenty million, five hundred thirty-five thousand, four hundred twenty-three".