155020412530023 has 8 divisors (see below), whose sum is σ = 206705207277168. Its totient is φ = 103341279734784.

The previous prime is 155020412530019. The next prime is 155020412530057. The reversal of 155020412530023 is 320035214020551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155020412530023 - 2² = 155020412530019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155020412530003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415424090 + ... + 1415533607.

It is an arithmetic number, because the mean of its divisors is an integer number (25838150909646).

Almost surely, 2^{155020412530023} is an apocalyptic number.

155020412530023 is a deficient number, since it is larger than the sum of its proper divisors (51684794747145).

155020412530023 is a wasteful number, since it uses less digits than its factorization.

155020412530023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830975953.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 155020412530023 its reverse (320035214020551), we get a palindrome (475055626550574).

The spelling of 155020412530023 in words is "one hundred fifty-five trillion, twenty billion, four hundred twelve million, five hundred thirty thousand, twenty-three".