23145155145505 has 8 divisors (see below), whose sum is σ = 27774766165824. Its totient is φ = 18515737455600.

The previous prime is 23145155145461. The next prime is 23145155145571. The reversal of 23145155145505 is 50554155154132.

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

It is not a de Polignac number, because 23145155145505 - 2³¹ = 23143007661857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48069091 + ... + 48548200.

It is an arithmetic number, because the mean of its divisors is an integer number (3471845770728).

Almost surely, 2^{23145155145505} is an apocalyptic number.

It is an amenable number.

23145155145505 is a deficient number, since it is larger than the sum of its proper divisors (4629611020319).

23145155145505 is an equidigital number, since it uses as much as digits as its factorization.

23145155145505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96665207.

The product of its (nonzero) digits is 1500000, while the sum is 46.

The spelling of 23145155145505 in words is "twenty-three trillion, one hundred forty-five billion, one hundred fifty-five million, one hundred forty-five thousand, five hundred five".